The illustrious House leadership of the Republican Party. Credit: Flickr/DonkeyHotey.In recent months the U.S. economy has been gaining strength. “Weekly Jobless Claims Plunge to 5-Year Low,” announced The Huffington Post. “Home Prices Hit a Milestone,” reported The Wall Street Journal. “Consumer Sentiment Rises,” announced the New York Times.Now that progress is endangered. Republicans have been acting like it’s a great time to drive the economy into a storm.